APDTY 14002-9J305 Exhaust Manifold & Catalytic Converter Complete Header-Style Assembly w/Gasket For 2002-2006 Nissan Altima & 2002-2005 Sentra w/2.5L Engine (Replaces 14002-9J370) Complete Exhaust Manifold & Catalytic Converter Assembly Manufactured In North America Alternative To Magnaflow 50805 Not For Legal Sale In California